Objects in the image:
category: boat
category: boat
category: person
category: chair

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it something that connects the boat to the ground?
a: No
q: is it something on the boat?
a: No
q: is it the sidewalk?
a: No
q: is it green?
a: No
q: is it sky?
a: No
q: is it water?
a: No
q: is it in the canal/body of water?
a: Yes
q: is it above the boat in the picture?
a: No
q: is it a telephone wire?
a: No
q: is it a flag?
a: No
q: is it a vehicle?
a: Yes